DE69101789T2 - Verfahren und System zur Überwachung für Laserstrahlschweissen. - Google Patents

Verfahren und System zur Überwachung für Laserstrahlschweissen.

Info

Publication number
DE69101789T2
DE69101789T2 DE69101789T DE69101789T DE69101789T2 DE 69101789 T2 DE69101789 T2 DE 69101789T2 DE 69101789 T DE69101789 T DE 69101789T DE 69101789 T DE69101789 T DE 69101789T DE 69101789 T2 DE69101789 T2 DE 69101789T2
Authority
DE
Germany
Prior art keywords
welding
light
laser beam
monitoring
intensity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69101789T
Other languages
German (de)
English (en)
Other versions
DE69101789D1 (de
Inventor
Shigeo C O Kobe Ship Hashimoto
Takashi C O Takasago Te Ishide
Osa C O Takasago Tec Matsumoto
Tadashi C O Kobe Shi Nagashima
Yasumi C O Takasago Tec Nakura
Kunio C O Takasago Tech Terada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Application granted granted Critical
Publication of DE69101789D1 publication Critical patent/DE69101789D1/de
Publication of DE69101789T2 publication Critical patent/DE69101789T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/03—Observing, e.g. monitoring, the workpiece
    • B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
    • B23K31/125—Weld quality monitoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Quality & Reliability (AREA)
  • Laser Beam Processing (AREA)
DE69101789T 1990-01-08 1991-01-04 Verfahren und System zur Überwachung für Laserstrahlschweissen. Expired - Fee Related DE69101789T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000607A JP2798218B2 (ja) 1990-01-08 1990-01-08 レーザ溶接モニタリング装置

Publications (2)

Publication Number Publication Date
DE69101789D1 DE69101789D1 (de) 1994-06-01
DE69101789T2 true DE69101789T2 (de) 1994-09-15

Family

ID=11478422

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69101789T Expired - Fee Related DE69101789T2 (de) 1990-01-08 1991-01-04 Verfahren und System zur Überwachung für Laserstrahlschweissen.

Country Status (4)

Country Link
US (1) US5155329A (ja)
EP (1) EP0437226B1 (ja)
JP (1) JP2798218B2 (ja)
DE (1) DE69101789T2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020133358A1 (de) 2020-12-14 2022-06-15 Endress+Hauser SE+Co. KG Verfahren zur druck- und gasdichten Trennung von einem ersten und einem zweiten hydraulischen Pfad in einem Differenzdrucksensor
DE102011122991B3 (de) 2011-06-03 2023-06-22 Lessmüller Lasertechnik GmbH Verfahren zum Überwachen der Bearbeitung sowie Vorrichtung zum Bearbeiten eines Werkstücks mit einem hochenergetischen Bearbeitungsstrahl

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DE4002627A1 (de) * 1990-01-30 1991-08-08 Deutsche Forsch Luft Raumfahrt Schweissueberwachungseinrichtung
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DE4434409C1 (de) * 1994-09-26 1996-04-04 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Materialbearbeiten mit Plasma induzierender Laserstrahlung
JP3292008B2 (ja) * 1995-11-10 2002-06-17 日産自動車株式会社 レーザ溶接におけるワークの溶融状態判定方法
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US5728992A (en) * 1996-02-29 1998-03-17 Westinghouse Electric Corporation Apparatus and method for real time evaluation of laser welds especially in confined spaces such as within heat exchanger tubing
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US6207926B1 (en) * 1997-01-15 2001-03-27 Seagate Technology Llc Fiber optic laser texturing with optical probe feedback control
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US5889905A (en) * 1997-09-22 1999-03-30 Lucent Technologies, Inc. Apparatus and method for monitoring optical fibers
US6060685A (en) * 1997-10-23 2000-05-09 Trw Inc. Method for monitoring laser weld quality via plasma light intensity measurements
US5961859A (en) * 1997-10-23 1999-10-05 Trw Inc. Method and apparatus for monitoring laser weld quality via plasma size measurements
US6075220A (en) * 1998-02-12 2000-06-13 Sandia Corporation Optical penetration sensor for pulsed laser welding
US6188041B1 (en) * 1998-11-13 2001-02-13 Korea Atomic Energy Research Institute Method and apparatus for real-time weld process monitoring in a pulsed laser welding
US6947802B2 (en) 2000-04-10 2005-09-20 Hypertherm, Inc. Centralized control architecture for a laser materials processing system
KR100346090B1 (ko) * 2000-05-30 2002-11-23 한국원자력연구소 레이저 용접시 용접 풀 크기감시 및 초점제어 방법 및장치
US6576863B1 (en) 2001-05-04 2003-06-10 Regents Of The University Of California Laser welding of fused quartz
KR100443152B1 (ko) * 2001-11-28 2004-08-04 한국원자력연구소 레이저 용접시 용접 풀 크기감시 및 초점제어 방법
EP1340583A1 (en) * 2002-02-20 2003-09-03 ALSTOM (Switzerland) Ltd Method of controlled remelting of or laser metal forming on the surface of an article
KR100488692B1 (ko) * 2002-05-20 2005-05-11 현대자동차주식회사 레이저 용접의 품질 검사방법 및 그 시스템
US6670574B1 (en) 2002-07-31 2003-12-30 Unitek Miyachi Corporation Laser weld monitor
US7186947B2 (en) * 2003-03-31 2007-03-06 Hypertherm, Inc. Process monitor for laser and plasma materials processing of materials
JP3792683B2 (ja) * 2003-07-16 2006-07-05 ファナック株式会社 レーザ溶接装置
JP4688423B2 (ja) * 2004-02-27 2011-05-25 独立行政法人物質・材料研究機構 レーザ溶接方法
US20050195510A1 (en) * 2004-03-04 2005-09-08 Quantum Corporation Feedback-controlled optical servo writer
KR100558773B1 (ko) * 2004-03-11 2006-03-10 한국원자력연구소 주파수 신호의 변화를 이용한 레이저용접 감시 방법
US20060163220A1 (en) 2005-01-27 2006-07-27 Brandt Aaron D Automatic gas control for a plasma arc torch
JP4577103B2 (ja) * 2005-06-10 2010-11-10 株式会社デンソー レーザ溶着良否判定方法及びその装置
EP1886757B1 (en) * 2006-08-07 2009-07-01 LVD Company NV Arrangement and method for the on-line monitoring of the quality of a laser process exerted on a workpiece using a heat detection camera and a tilted mirror
JP5185180B2 (ja) * 2009-04-06 2013-04-17 株式会社東芝 レーザー照射装置
US9168613B2 (en) 2010-10-22 2015-10-27 Paul T. Colby Vertical laser cladding system
KR101240980B1 (ko) * 2010-11-18 2013-03-11 기아자동차주식회사 레이저 용접 품질 검사 방법 및 장치
JP5252026B2 (ja) 2011-05-10 2013-07-31 パナソニック株式会社 レーザ溶接装置及びレーザ溶接方法
CN103212787B (zh) * 2012-01-19 2016-07-06 昆山思拓机器有限公司 同轴激光光束的调节方法
JP5947740B2 (ja) * 2013-03-29 2016-07-06 トヨタ自動車株式会社 溶接部の検査装置とその検査方法
TWI558489B (zh) 2013-11-27 2016-11-21 財團法人工業技術研究院 應用熱輻射影像的雷射加工系統與其方法
DE102014202636B4 (de) * 2014-02-13 2016-10-20 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Erzeugen einer Schweißnaht sowie Bauteilverbindung
US9757902B2 (en) 2014-09-02 2017-09-12 Product Innovation and Engineering L.L.C. Additive layering method using improved build description
US9573224B2 (en) 2014-09-02 2017-02-21 Product Innovation & Engineering, LLC System and method for determining beam power level along an additive deposition path
US10112262B2 (en) 2014-10-28 2018-10-30 General Electric Company System and methods for real-time enhancement of build parameters of a component
US10632566B2 (en) 2014-12-02 2020-04-28 Product Innovation and Engineering L.L.C. System and method for controlling the input energy from an energy point source during metal processing
US20190118295A1 (en) * 2017-10-20 2019-04-25 Branson Ultrasonics Corporation Glowing Part And Tooling In Simultaneous Laser Plastics Welding
US11285563B2 (en) 2017-10-20 2022-03-29 Branson Ultrasonics Corporation Fiber feedback
EP3778099A4 (en) 2018-04-13 2021-07-07 Panasonic Intellectual Property Management Co., Ltd. LASER WELDING PROCESS
CN111347157B (zh) 2018-12-21 2023-04-28 松下知识产权经营株式会社 激光焊接装置以及激光焊接方法
US20220163742A1 (en) * 2019-03-11 2022-05-26 Fujikura Ltd. Optical connector and laser apparatus having the same
US11839915B2 (en) 2021-01-20 2023-12-12 Product Innovation and Engineering LLC System and method for determining beam power level along an additive deposition path

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JPH01214139A (ja) * 1988-02-23 1989-08-28 Mitsubishi Electric Corp 導電性多結晶シリコン膜の形成方法
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JPH0292482A (ja) * 1988-09-30 1990-04-03 Hitachi Ltd レーザ穿孔装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011122991B3 (de) 2011-06-03 2023-06-22 Lessmüller Lasertechnik GmbH Verfahren zum Überwachen der Bearbeitung sowie Vorrichtung zum Bearbeiten eines Werkstücks mit einem hochenergetischen Bearbeitungsstrahl
DE102020133358A1 (de) 2020-12-14 2022-06-15 Endress+Hauser SE+Co. KG Verfahren zur druck- und gasdichten Trennung von einem ersten und einem zweiten hydraulischen Pfad in einem Differenzdrucksensor

Also Published As

Publication number Publication date
JPH03207587A (ja) 1991-09-10
EP0437226A3 (en) 1991-08-07
EP0437226B1 (en) 1994-04-27
EP0437226A2 (en) 1991-07-17
US5155329A (en) 1992-10-13
DE69101789D1 (de) 1994-06-01
JP2798218B2 (ja) 1998-09-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee